Question

An Element E burns in oxygen to form compound which is soluble in water. The aqueous solution of the product is tested with litmus solution
(i) When E is a non metal, the litmus solution will turn from ____ to ____
(ii) When E is a metal, the litmus solution will turn from ____ to ____
(iii) When E is a metal, it will form a ___ oxide, which dissolves in water to form ____
(iv) When E is a non metal, it will form ____ oxide which dissolves in water to form _____​

Answer 1

Answer:

Explanation:

(i) When E is a non metal, the litmus solution will turn from blue to red

(ii) When E is a metal, the litmus solution will turn from red to blue

(iii) When E is a metal, it will form a Basic oxide, which dissolves in water to form Alkalis

(iv) When E is a non metal, it will form a non metal oxide which dissolves in water to form acids